% !Mode:: "TeX:UTF-8"%確保文檔utf-8編碼
\documentclass[tikz,border=2pt]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
\usetikzlibrary{circuits.ee.IEC}
\begin{document}
\begin{tikzpicture}[circuit ee IEC,
set make contact graphic= var make contact IEC graphic]
\node[battery] (battery) at(0,3) {};
\node[bulb] (bulb1) at(-2,2) {};
\node[make contact] (contact1) at(2,3) {};
\node[resistor,ohm=20k] (R1) at (0,0){};
\node[resistor,ohm=5,point up] (R2) at (3,1) {};
\draw (battery) -| (bulb1) ;
\draw (bulb1) |- (R1) ;
\draw (R1) -| (R2);
\draw (battery) -- (contact1);
\draw (contact1) -| (R2);
\end{tikzpicture}
\end{document}